65673511 has 2 divisors, whose sum is σ = 65673512. Its totient is φ = 65673510.

The previous prime is 65673493. The next prime is 65673529. The reversal of 65673511 is 11537656.

It is a balanced prime because it is at equal distance from previous prime (65673493) and next prime (65673529).

It is a cyclic number.

It is not a de Polignac number, because 65673511 - 2⁵ = 65673479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65673541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32836755 + 32836756.

It is an arithmetic number, because the mean of its divisors is an integer number (32836756).

Almost surely, 2^65673511 is an apocalyptic number.

65673511 is a deficient number, since it is larger than the sum of its proper divisors (1).

65673511 is an equidigital number, since it uses as much as digits as its factorization.

65673511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 65673511 is about 8103.9194838054. The cubic root of 65673511 is about 403.4565262796.

The spelling of 65673511 in words is "sixty-five million, six hundred seventy-three thousand, five hundred eleven".